SAMSUNG HOME CINEMA HT-XQ100

Question

yesterday i put a dvd movie i letit there leater i heard som music from the radio also from the pen mp3 then i close vhen i want to see a movie later he dont respond for eny comand he dont recodnised nothing i put to plai radio dont hear sound i cant open the dvd player dont recodnise usb nothing sorry for my english if can you help me with something thank you very much